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1. You can log on Webpage-Home-Version to see which FW(img) you phone is.
2. You can also check on Menu-Status-Information-Firmware(IMG).
1. Please downlaod the latest phone FW on Hanlong Website -> Support -> Firmware Download.
2. You can also contact Hanlong local distributor for latest phone FW.
1. Before making an upgrade, please read our upgrade instruction file carefully.
2. During the upgarde, please do avoid to power off the phone or disconnect the phone, which may cause a damage to the phone.
1. Our phone support TFTP/HTTP/HTTPS/FTP upgrade and Webpage upgrade. For upgrade by TFTP/HTTP/HTTPS/FTP, please download the upgrade instruction document here. For upgrade by Webpage. Please log on Webpage-Management-Upgrade-IMG Firmware Upgrade, choose the IMG file and upgrade.
1. Yes, you can simply upgarde the FW on Webpage-Management-Upgrade-IMG Firmware Upgrade, choose the IMG file and upgrade.